// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_CHILD_RESOURCE_DISPATCHER_DELEGATE_H_
#define CONTENT_PUBLIC_CHILD_RESOURCE_DISPATCHER_DELEGATE_H_

#include <string>

#include "content/common/content_export.h"
#include "content/public/common/resource_type.h"

class GURL;

namespace content {

class RequestPeer;

// Interface that allows observing request events and optionally replacing
// the peer. Note that if it doesn't replace the peer it must return the
// current peer so that the ownership is continued to be held by
// ResourceDispatcher.
class CONTENT_EXPORT ResourceDispatcherDelegate {
public:
    virtual ~ResourceDispatcherDelegate() { }

    virtual std::unique_ptr<RequestPeer> OnRequestComplete(
        std::unique_ptr<RequestPeer> current_peer,
        ResourceType resource_type,
        int error_code)
        = 0;

    virtual std::unique_ptr<RequestPeer> OnReceivedResponse(
        std::unique_ptr<RequestPeer> current_peer,
        const std::string& mime_type,
        const GURL& url)
        = 0;
};

} // namespace content

#endif // CONTENT_PUBLIC_CHILD_RESOURCE_DISPATCHER_DELEGATE_H_
